ID   Y3531_METJA             Reviewed;          65 AA.
AC   Q60265;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   20-JUN-2001, sequence version 2.
DT   25-MAY-2022, entry version 81.
DE   RecName: Full=Putative antitoxin MJECL31;
GN   OrderedLocusNames=MJECL31;
OS   Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM
OS   10045 / NBRC 100440) (Methanococcus jannaschii).
OG   Plasmid large ECE.
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanocaldococcaceae; Methanocaldococcus.
OX   NCBI_TaxID=243232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=8688087; DOI=10.1126/science.273.5278.1058;
RA   Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D., Sutton G.G.,
RA   Blake J.A., FitzGerald L.M., Clayton R.A., Gocayne J.D., Kerlavage A.R.,
RA   Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I., Overbeek R.,
RA   Kirkness E.F., Weinstock K.G., Merrick J.M., Glodek A., Scott J.L.,
RA   Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D., Utterback T.R.,
RA   Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C., Cotton M.D.,
RA   Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M., Klenk H.-P.,
RA   Fraser C.M., Smith H.O., Woese C.R., Venter J.C.;
RT   "Complete genome sequence of the methanogenic archaeon, Methanococcus
RT   jannaschii.";
RL   Science 273:1058-1073(1996).
CC   -!- FUNCTION: Possibly the antitoxin component of a type II toxin-antitoxin
CC       (TA) system. {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the UPF0165 family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAC37074.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; L77118; AAC37074.1; ALT_INIT; Genomic_DNA.
DR   PIR; F64513; F64513.
DR   RefSeq; WP_064496999.1; NC_001732.1.
DR   AlphaFoldDB; Q60265; -.
DR   SMR; Q60265; -.
DR   PRIDE; Q60265; -.
DR   EnsemblBacteria; AAC37074; AAC37074; MJ_ECL31.
DR   GeneID; 1450787; -.
DR   KEGG; mja:MJ_ECL31; -.
DR   eggNOG; arCOG07152; Archaea.
DR   HOGENOM; CLU_200885_0_1_2; -.
DR   InParanoid; Q60265; -.
DR   OMA; CKDIDYK; -.
DR   Proteomes; UP000000805; Plasmid large ECE.
DR   Gene3D; 4.10.1150.10; -; 1.
DR   InterPro; IPR008203; AF2212-like.
DR   InterPro; IPR024069; AF2212-like_dom_sf.
DR   Pfam; PF01954; DUF104; 1.
PE   3: Inferred from homology;
KW   Plasmid; Reference proteome; Toxin-antitoxin system.
FT   CHAIN           1..65
FT                   /note="Putative antitoxin MJECL31"
FT                   /id="PRO_0000156859"
SQ   SEQUENCE   65 AA;  7737 MW;  DFE63A96F3FCF801 CRC64;
     MSEIIEVIYE DGVLKPLKPL KIKGKKRLKI KIVNDDVEEF LKSMIIKKCK DIDYKKLKEA
     YYESF